Online PHP editor | refs for DVoU4

<?php $_SESSION['diceRoll'] = [ ["save_1" => ["pos1" => 0, "pos2" => 2, "pos3" => 0, "pos4" => 0, "pos5" => 3, "pos6" => 0]], ["save_2" => ["pos1" => 0, "pos2" => 6, "pos3" => 0, "pos4" => 5, "pos5" => 1, "pos6" => 0]], ["save_3" => ["pos1" => 2, "pos2" => 0, "pos3" => 5, "pos4" => 0, "pos5" => 2, "pos6" => 2]], ["save_4" => ["pos1" => 0, "pos2" => 6, "pos3" => 6, "pos4" => 5, "pos5" => 5, "pos6" => 0]], ["save_5" => ["pos1" => 2, "pos2" => 0, "pos3" => 4, "pos4" => 4, "pos5" => 0, "pos6" => 0]], ["save_6" => ["pos1" => 3, "pos2" => 0, "pos3" => 4, "pos4" => 0, "pos5" => 5, "pos6" => 5]] ]; var_export( array_map( fn($set) => array_map( fn($row) => array_map( fn($v) => $v ?: rand(1,6), $row ), $set ), $_SESSION['diceRoll'] ) );